MTV's groundbreaking docu-series has made a tremendous impact since its 2009 debut.

No way! It’s already been six years since we first met Maci, Amber, Catelynn and Farrah – aka the ‘Teen Mom OG’ girls – during the first season of 16 and Pregnant. But it’s not only our teen moms who have grown up and changed.

The MTV *documentary has seemingly played a tremendous role, in helping to reduce the teen birth rate, as well as increasing the sense of awareness and all of the challenges, which belong to being a young parent. Seems as our teenage moms and *MTV have done a great job!

Take a look at the five top ways teen motherhood has changed since 2009 and don’t miss out on 16 and Pregnant, Mondays 20:00 only on MTV!